:root{--bg: #eef1f4;--bg-page: #f7f8fa;--surface: #ffffff;--surface-2: #f0f2f5;--border: #d8dde3;--text: #161a1f;--text-dim: #5a636d;--accent: #6d4bb0;--accent-ink: #ffffff;--danger: #c2454a;--shadow: 0 1px 2px rgba(20, 24, 31, .06), 0 8px 24px rgba(20, 24, 31, .08);--radius: 14px;--mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}:root[data-theme=dark]{--bg: #0f1216;--bg-page: #0b0e11;--surface: #171b21;--surface-2: #1e232b;--border: #2a313a;--text: #e7ebf0;--text-dim: #98a2ad;--accent: #b79be0;--accent-ink: #12151a;--danger: #ef8a8f;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--sans);color:var(--text);background:var(--bg-page);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.hero{position:relative;height:100svh;min-height:560px;background:var(--bg);overflow:hidden}.viewer{position:absolute;inset:0;touch-action:none}.gv-canvas{width:100%;height:100%;display:block}.viewer-loading{position:absolute;inset:0;display:flex;gap:.7rem;align-items:center;justify-content:center;color:var(--text-dim);font:500 .95rem var(--mono);z-index:5;pointer-events:none}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hero-overlay{position:absolute;inset:0;padding:clamp(1.2rem,4vw,3rem);display:flex;align-items:flex-start;pointer-events:none}.hero-copy{max-width:34rem;pointer-events:auto}.eyebrow{font:600 .72rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 .6rem}.hero-copy h1{font-size:clamp(2.6rem,7vw,4.6rem);line-height:.98;margin:0;letter-spacing:-.02em;font-weight:800}.tagline{font-size:clamp(1.05rem,2.2vw,1.35rem);font-weight:600;margin:.8rem 0 0}.subtag{color:var(--text-dim);margin:.6rem 0 0;max-width:30rem}.badges{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:1.1rem 0 0}.badges li{font:600 .72rem var(--mono);padding:.28rem .6rem;border-radius:999px;background:color-mix(in srgb,var(--surface) 78%,transparent);border:1px solid var(--border);color:var(--text-dim);backdrop-filter:blur(6px)}.hero-cta{display:flex;gap:.6rem;margin-top:1.4rem;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;padding:.62rem 1.1rem;border-radius:10px;font-weight:600;font-size:.92rem;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .12s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-ghost{background:color-mix(in srgb,var(--surface) 70%,transparent);border-color:var(--border);color:var(--text);backdrop-filter:blur(6px)}.control-bar{position:absolute;left:50%;bottom:max(1rem,env(safe-area-inset-bottom));transform:translate(-50%);z-index:6;display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;justify-content:center;padding:.55rem .7rem;border-radius:999px;background:color-mix(in srgb,var(--surface) 82%,transparent);border:1px solid var(--border);box-shadow:var(--shadow);backdrop-filter:blur(12px);max-width:calc(100vw - 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